JUST Medical Knee Joint Prosthesis System - SKII PS & SKII PLUS Series

• Femoral Condyle

SKII PS & SKII PLUS

- Designed for high-flexion activity

- Optimized patellofemoral joint surface design to enhance postoperative mobility

- Customized prosthesis models to meet the diverse needs of different body types and patients

- Proportionally increased posterior condyle on the lateral side, expanding the joint contact area for improved force transmission and reduced wear

- Ultra-mirror polishing treatment to minimize wear during postoperative femoral condyle movement and effectively reduce debris generation

- Smooth intercondylar groove treatment, ensuring an equal amount of intercondylar groove resection to reduce wear and collisions in flexion activities

- Extended cam, effectively avoiding the risk of postoperative dislocation in the tibiofemoral joint.

• Tibial Bearing

SKII PS

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• Designed for high-flexion activity

• Allows rotation and flexion-extension movement of the knee joint

• Compatible with all models of femoral condyle prostheses

• 1:1 contact ratio between tibial and femoral joint surfaces, increasing joint contact area and effectively reducing wear during postoperative movement

• Circular post design reduces stress and prevents dislocation of the tibiofemoral joint

• The patellar groove design protects the patellar tendon in high-flexion positions

• The back side of the tibial tray insert is easily navigated, enabling accurate and fast installation of the tray insert on the tibial platform during surgery.

• Tibial Bearing

SKII PLUS

• Widened semi-constrained pillar design, effectively addressing knee joint instability;

• Design with high flexion range of motion;

• Allowing for a ±2° varus/valgus constraint and ±2° internal/external rotation;

• Compatibility with all models of femoral condyle implants;

• 1:1 contact between the tibia and femoral joint surface, increasing joint contact area while effectively preventing wear during postoperative movement;

• Patellar groove design to protect the patellar tendon in high flexion positions;

• Ease of posterior insertion of the tibial platform, achieving accurate and rapid installation of the platform and tibial plateau during surgery.

• Flexible switching between PS and PS+ during surgery based on the patient's medial and lateral collateral ligament conditions.

• Tibial Platform

SKII PS & SKII PLUS

• Reduced side wings, effectively minimizing intraoperative bone loss;

• The combination of dovetail groove and anterior locking mechanism optimizes the locking mechanism while reducing posterior micromotion;

• A hollow cylindrical tibial base accommodates the smooth transition from routine primary replacement to complex primary replacement with extension stems during surgery;

• The posterior aspect of the tibial platform can connect with a tibial insert to address clinical issues related to tibial side bone defects;

• The mirror-polished surface treatment effectively reduces wear on the posterior side of the platform, minimizing debris generation.